30325783028 has 12 divisors (see below), whose sum is σ = 53091878532. Its totient is φ = 15156674880.

The previous prime is 30325783001. The next prime is 30325783051. The reversal of 30325783028 is 82038752303.

It can be written as a sum of positive squares in 2 ways, for example, as 10396249444 + 19929533584 = 101962^2 + 141172^2 .

It is a super-2 number, since 2×30325783028² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1543175 + ... + 1562702.

It is an arithmetic number, because the mean of its divisors is an integer number (4424323211).

Almost surely, 2^30325783028 is an apocalyptic number.

It is an amenable number.

30325783028 is a deficient number, since it is larger than the sum of its proper divisors (22766095504).

30325783028 is a wasteful number, since it uses less digits than its factorization.

30325783028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3108322 (or 3108320 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 41.

The spelling of 30325783028 in words is "thirty billion, three hundred twenty-five million, seven hundred eighty-three thousand, twenty-eight".